School of Chemical Engineering, Iran University of Science and Technology, Tehran, Iran

چکیده [English]

The increasing worldwide demand for propylene has led extensive research to be deployed for establishing economically feasible alternative methods for propylene production. The oxidative dehydrogenation of propane is a promising route for propylene production that does not suffer from the any drawbacks of traditional methods. However, selectivity control in oxidative dehydrogenation of propane is the only main challenge to industrialization of this process, because propane and propylene can convert to COx and other products. In this investigation, titania- silica supported Nickel-Vanadium catalysts were synthesized and evaluated in oxidative dehydrogenation of propane. Catalysts were characterized by XRD, BET, FT-IR, and SEM tests. The propane oxidative dehydrogenation reactions were carried out in fixed-bed reactor. All samples were tested in the temperature range of 350-550°C The best performance among these prepared catalysts was obtained for 7.5%Ni- 7.5%V/Si: Ti(1:1) with propylene yield of 14.33% at propane conversion of 41.84% at 550°C